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Nanomaterials 2016, 6(3), 52; doi:10.3390/nano6030052

Investigating the Effect of Carbon Nanotube Diameter and Wall Number in Carbon Nanotube/Silicon Heterojunction Solar Cells

1
Centre for Nanoscale Science & Technology (CNST), Flinders University of South Australia, South Australia 5042, Australia
2
Institute of Nanotechnology, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany
3
Advanced Material Research Chair, Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
*
Author to whom correspondence should be addressed.
Academic Editors: Guanying Chen, Zhijun Ning and Hans Agren
Received: 14 February 2016 / Revised: 3 March 2016 / Accepted: 11 March 2016 / Published: 22 March 2016
(This article belongs to the Special Issue Nanostructured Solar Cells)
View Full-Text   |   Download PDF [2610 KB, uploaded 22 March 2016]   |  

Abstract

Suspensions of single-walled, double-walled and multi-walled carbon nanotubes (CNTs) were generated in the same solvent at similar concentrations. Films were fabricated from these suspensions and used in carbon nanotube/silicon heterojunction solar cells and their properties were compared with reference to the number of walls in the nanotube samples. It was found that single-walled nanotubes generally produced more favorable results; however, the double and multi-walled nanotube films used in this study yielded cells with higher open circuit voltages. It was also determined that post fabrication treatments applied to the nanotube films have a lesser effect on multi-walled nanotubes than on the other two types. View Full-Text
Keywords: carbon nanotubes; solar cells; carbon nanotube (CNT)/Si heterojunction solar cells; double-walled carbon nanotube (DWCNT); multi-walled carbon nanotubes (MWCNT) carbon nanotubes; solar cells; carbon nanotube (CNT)/Si heterojunction solar cells; double-walled carbon nanotube (DWCNT); multi-walled carbon nanotubes (MWCNT)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Grace, T.; Yu, L.; Gibson, C.; Tune, D.; Alturaif, H.; Al Othman, Z.; Shapter, J. Investigating the Effect of Carbon Nanotube Diameter and Wall Number in Carbon Nanotube/Silicon Heterojunction Solar Cells. Nanomaterials 2016, 6, 52.

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